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Graphical Representation (Drawing Graphs (Use as much space as possible,…
Graphical Representation
Drawing Graphs
Use as much space as possible
Label the axis clearly
Use linear scales
Include a title that explains it exactly
Use a ruler and a pencil
Bar Chart
Discrete Data - often nominal data
Shows differences in data
Scatter Graph
Discrete Data - correlation data
Shows associations between co-variables
Line Graph
Continuous Non-Grouped Data - usually a measure of time (ratio data)
Shows how a variable changes (often over time)
Pie Chart
Discrete Data - shows percentages of the total of the measures
Shows how measures from distinct groups show as a proportion of the total scores
Histogram
Continuous Grouped Data - often ordinal, interval or ratio data
Shows how grouped data is spread across a continuous scale